Construction Projects

under construction in 2015:

Mission Bay continues to build...

HOUSING.
Several projects are under construction between Fourth and Channel Streets -- a combination of apartment and condominiums.

STREETS.
Channel Street, Longbridge, Merrimac and El Dorado, and a new section of China Basin Street are all under construction to support the new housing and parks just north of Mission Bay Blvd North. The final segments of Mission Bay Blvd - North and South that will connect 4th Street and the Circle, are also being completed. This new entry/exit from Mission Bay via 7th Street should be finished by year-end.

CENTRAL SUBWAY

The Central Subway will run from Stockton/Washington streets in Chinatown to Caltrain at 4th & King Streets in Mission Bay. Travel time on the new T subway will be just 8 minutes (it currently takes 20+ minutes on buses) when it opens in 2019. The new T-line extension will have two SoMa stops: at Brannan Street (above ground) and and a subway station at Yerba Buena/Moscone Center. The subway will also stop at Market St/Union Square and in Chinatown.

Closures will continue on 4th Street from Harrison to King Street. The block between King and Townsend is now one-way (in the Southbound direction leading into Mission Bay).

MARIPOSA OFF-RAMP AND STREET

Work to improve traffic flows from the Mariposa exit of Highway 280, and along Mariposa Street is underway.

Periodically, the Mariposa off-ramp will be closed from 9:30pm until 6am. Crews are also working on Mariposa between Third and Pennsylvania. Once Owens Street opens between 16th and Mariposa, vehicles will be able to exit 280 and continue straight through to 16th Street via Owens. New signalization is also part of this project.